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Finding the Fourth Proportional to 363.24, 545.13 and 200.97

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Solution

The fourth proportional to 363.24, 545.13 and 200.97 is: 301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.24 : 545.13 = 200.97 : x
  2. Step 2: Convert to fraction form
    363.24/545.13 = 200.97/x
  3. Step 3: Cross multiply
    363.24x = 545.13 × 200.97
  4. Step 4: Simplify right side
    363.24x = 109,554.78
  5. Step 5: Solve for x
    x = 109,554.78/363.24
  6. Step 6: Final answer
    x = 301.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.